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3. WARD. Smut Mill-Q No. 79,791. a P tent d July 7, 71868.

R. WARD, OF EDINBUR-G, INDIANA.

Letters Patent No. 79,791, dated July 7, 1868.

IMPROVED sMUT-MILL.

iiittgttrhih nfemt in in flgrse Eaters idnttntanh inmiiitg mat at tlnsrme.

TO ALL WHOM IT ,MAY CONCERN:

Be it known that I, R. WARD, of Edinburg, in the county of Johnson, and in the State of Indiana, have invented certain new and useful Improvements in Combined Grain-Separator, Smut-Mill, and Riddle; and do hereby declare that thei'ollowing is a full, clear, and exact description, thereof, reference being had to the accompanying drawings, and to the letters of reference marked thereon.

The nature of my invention consists in the combination of a triple suction-separator and smut-mill with riddle, arranged in such a manner that the grain is first separated from all. largersuhstances by passing through the riddle, .and then goes through one suction-pipe into the smut-mill, where it. is cleaned or scoured, passing at last through the second to the third suction-pipe, where it falls out of the mill, the dust, chafl', 8tc., having been blown out through the suction-pipes by the current of air communicated to them by a large fan attached to the mill.

In order to enable others skilled in the art to make and use my invention, I will now proceed to describe its construction and operation. I

In the annexed drawings, forming part of this specification, A represents the frame on which the mill rests.

B B are armsfastened tothe side of the mill, near its top, which arms extend beyond the mill, and to which the riddle C is suspended, by metal bands D D, in such a manner that it inclines toward the mill.

The riddle is an oblong metal vessel, the bottom of which is bent in circular shape, and with its mouth projecting over the hopper E on the side of the mill; and over this bent bottom, at a suitable distance above it,

is a perforated metallic plate, a, the end of. which projects over the spout b, which is fastened to the end of the riddle above its mouth, and projects'beyond the side of theinill.

The hopper E opens" into the first. suction-chamberF, the lower. end of which is over another hopper, G, placed on top of the smut-mill I. v

The smut-mill is a large circular drum, with wooden top and bottom, secured -topether by rods, e e, and

nuts,ff, and fastened to' the frame A. Through the centre of the drum a. shaft, 0-, passes, which shaft hasit s bearings at the lowerend; below the drum in the frame A, and above the drum in the side of the hopper E, and this end of the shaft extends above the hopper, and is provided with apin, d, on its edge,on which pin'the riddle G rests, so that when the shaft revolves, this pin will shake the riddle sufliciently to prevent the grain from remaining in the riddle.

Inside of the-drum, and near the top and bottom thereof, on the shaft 0, are horizontal arms, H H, of sufli- .cie'nt length to allow the deeply-ribbed heaters K K, which are fastened perpendicularly on the side of the ends of these arms, to revolve freely near the'inside of'the drum, when the-shaft is turned. On top of the heaters, and directly under the wooden top with the hopper-G, is a perforated iron plate,g, fastened, which plate is of circular form, and of such a diameter that it will lit and revolve clo'sely to the sides of thed'rum.

L is a cone or funnel-shaped perforated iron inside of boaters standin g on the lower arms, and extending up the shaft. i

d The drum is open on the side where it connects with the chamber M, so that dust, &c., can be. discharged into this chamber and drawn up into the second suction-pipe N, and the inside of the drum is .lined witha sconring suri'ace provided with a series of oblong metal loops, it, except on the side of the opening where it is provided with a series of slots, i 1 i At the bottom of the drum is a spout, m, leading into the third snction-pipe O. Q is abclt leading from the pulley'n on the shaft 0 to the pulley 0 on the shaft 19, which latter shaft runs through the centre of thedrum R, and has its bearings-in the frame A, at the bottom below the drum, and in a top-piece, r, on top of vthe drum.

This drum is open on one side to allow the air to pass out, and has in its top a round hole to admit the-air from the wing S of the mill. The air is drawn from the different pipes through the wing and into the drum, and then forced out by means of a fan constructed of wings, s e, placed perpendicularly at the ends of the ends of theihorizontal arms t t, which arms are fastened at the top and bottom on the shaft 1), inside 0T the drum. I

I The top-piece 1- runs across the hole in the top of the drum, and is provided with followers and key for the eud'of the shaft 1), and is oiled through the hole 2) on the side of the wing S. The current of air is regulated V by the slide u, which covers the hole in the drum Near the top of the mill is a vertical slide, w, to equalize the current of air on the suction-pipes Y13 and O, and the hole 2:, near this slide, is for the purpose of raisin'gor lowering the same.

i The slide g, on the side of the mill above the wing, serves to shut off the draught, when a strong current of air is on, to prevent the screenings from passing into the fan. The screenings pass through the chamber T,

and are emptied out of the valve e as they accumulate.

In the chamber M is a partition-board, a, to' prevcnt the dust, &c., going with the grain into the last suction-pipe 0, audit is also provided with a. hole, 6, covered with wire to get air into'the same.

When the grain is placed on the perforated plate a, and the machine is in motion, the pin (1 on the shaft 0 shakes the riddle, so that all larger substances, such as nails, sticks, straws, &c., fall ofl and out through'thespent 6, and the grain falls down on the riddle C and into the hopper which carries it into the suction chamber F, and the air passing up through the same carries some of the dust along with it.

' The grain then passes through the hopper G and top of the drum I, falling on the perforated plate g, and

through the same, being thenscourcd and separated from all dust by the ribbed heaters K K, and the scouringsurface, with its oblong loops, h It.

The funnel L prevents the grain from falling down in the centre, but carries it outward to the beaters. The currentof air produced by the motion of the arms and heaters blows the dust, &c., through the slots '5 2', into the chamber M, and, in connection with the air communicated through the hole 6, carries it up through the suction-pipe N. p I

The grain "passes through the spout on into the third suction-pipeO, and falls down below themill, and should any dust, &c., yet'reinain among it,,the current of air will carry the same up this pipe.

The fan in the-drum B being in motion at the same time,draws the air through the various passages, and

carries the dust, &c.', out of the mill, and the-screenings down through the chamber T, where they are emptied through the valve 2 as they accumulate.

I am .awarethat the devices herein described, taken separately, are of themselves not new? but having thus fully described my invention, i What I claim, and desire to secure by Letters Patent, is-

The smut-mill, with drum L, constructed as described, with chamber M, suction-pipes N and O, and the fan in the drum R with their various parts, all constructed, arranged, and operating substantially as and for the purposes specified.

v In testimony that I claim the foregoing, I have hereunto set my hand, this 5th day of May, 186 8.

R. WARD.

Witnesses R. P. Hszzsnn, N. B. BERBYMAN. 

